Hobbs, Arthur M. A survey of thickness. (English) Zbl 0194.56102 Recent Prog. Comb., Proc. 3rd Waterloo Conf. 1968, 255-264 (1969). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Keywords:topology PDF BibTeX XML OpenURL